4 * Copyright (c) 2003 Fabrice Bellard
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <sys/types.h>
34 #include <sys/mount.h>
35 #include <sys/prctl.h>
36 #include <sys/resource.h>
41 #include <sys/socket.h>
44 #include <sys/times.h>
47 #include <sys/statfs.h>
49 #include <sys/sysinfo.h>
50 //#include <sys/user.h>
51 #include <netinet/ip.h>
52 #include <netinet/tcp.h>
54 #define termios host_termios
55 #define winsize host_winsize
56 #define termio host_termio
57 #define sgttyb host_sgttyb /* same as target */
58 #define tchars host_tchars /* same as target */
59 #define ltchars host_ltchars /* same as target */
61 #include <linux/termios.h>
62 #include <linux/unistd.h>
63 #include <linux/utsname.h>
64 #include <linux/cdrom.h>
65 #include <linux/hdreg.h>
66 #include <linux/soundcard.h>
67 #include <linux/dirent.h>
74 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
75 || defined(TARGET_M68K)
76 /* 16 bit uid wrappers emulation */
80 //#include <linux/msdos_fs.h>
81 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
82 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
93 #define _syscall0(type,name) \
96 return syscall(__NR_##name); \
99 #define _syscall1(type,name,type1,arg1) \
100 type name (type1 arg1) \
102 return syscall(__NR_##name, arg1); \
105 #define _syscall2(type,name,type1,arg1,type2,arg2) \
106 type name (type1 arg1,type2 arg2) \
108 return syscall(__NR_##name, arg1, arg2); \
111 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
112 type name (type1 arg1,type2 arg2,type3 arg3) \
114 return syscall(__NR_##name, arg1, arg2, arg3); \
117 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
118 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
120 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
123 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
125 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
127 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
131 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
132 type5,arg5,type6,arg6) \
133 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
135 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
139 #define __NR_sys_uname __NR_uname
140 #define __NR_sys_getcwd1 __NR_getcwd
141 #define __NR_sys_getdents __NR_getdents
142 #define __NR_sys_getdents64 __NR_getdents64
143 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
144 #define __NR_sys_syslog __NR_syslog
146 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
147 #define __NR__llseek __NR_lseek
151 _syscall0(int, gettid)
153 static int gettid(void) {
157 _syscall1(int,sys_uname,struct new_utsname *,buf)
158 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
159 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
160 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
161 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
162 loff_t *, res, uint, wh);
163 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
164 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
165 #ifdef __NR_exit_group
166 _syscall1(int,exit_group,int,error_code)
169 extern int personality(int);
170 extern int flock(int, int);
171 extern int setfsuid(int);
172 extern int setfsgid(int);
173 extern int setresuid(uid_t, uid_t, uid_t);
174 extern int getresuid(uid_t *, uid_t *, uid_t *);
175 extern int setresgid(gid_t, gid_t, gid_t);
176 extern int getresgid(gid_t *, gid_t *, gid_t *);
177 extern int setgroups(int, gid_t *);
179 static inline long get_errno(long ret)
187 static inline int is_error(long ret)
189 return (unsigned long)ret >= (unsigned long)(-4096);
192 static target_ulong target_brk;
193 static target_ulong target_original_brk;
195 void target_set_brk(target_ulong new_brk)
197 target_original_brk = target_brk = new_brk;
200 long do_brk(target_ulong new_brk)
202 target_ulong brk_page;
208 if (new_brk < target_original_brk)
211 brk_page = HOST_PAGE_ALIGN(target_brk);
213 /* If the new brk is less than this, set it and we're done... */
214 if (new_brk < brk_page) {
215 target_brk = new_brk;
219 /* We need to allocate more memory after the brk... */
220 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
221 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
222 PROT_READ|PROT_WRITE,
223 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
224 if (is_error(mapped_addr)) {
227 target_brk = new_brk;
232 static inline fd_set *target_to_host_fds(fd_set *fds,
233 target_long *target_fds, int n)
235 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
236 return (fd_set *)target_fds;
241 for(i = 0;i < n; i++) {
242 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
243 (i & (TARGET_LONG_BITS - 1))) & 1;
254 static inline void host_to_target_fds(target_long *target_fds,
257 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
264 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
266 for(i = 0;i < nw; i++) {
268 for(j = 0; j < TARGET_LONG_BITS; j++) {
269 v |= ((FD_ISSET(k, fds) != 0) << j);
272 target_fds[i] = tswapl(v);
278 #if defined(__alpha__)
284 static inline long host_to_target_clock_t(long ticks)
286 #if HOST_HZ == TARGET_HZ
289 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
293 static inline void host_to_target_rusage(target_ulong target_addr,
294 const struct rusage *rusage)
296 struct target_rusage *target_rusage;
298 lock_user_struct(target_rusage, target_addr, 0);
299 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
300 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
301 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
302 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
303 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
304 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
305 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
306 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
307 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
308 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
309 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
310 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
311 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
312 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
313 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
314 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
315 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
316 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
317 unlock_user_struct(target_rusage, target_addr, 1);
320 static inline void target_to_host_timeval(struct timeval *tv,
321 target_ulong target_addr)
323 struct target_timeval *target_tv;
325 lock_user_struct(target_tv, target_addr, 1);
326 tv->tv_sec = tswapl(target_tv->tv_sec);
327 tv->tv_usec = tswapl(target_tv->tv_usec);
328 unlock_user_struct(target_tv, target_addr, 0);
331 static inline void host_to_target_timeval(target_ulong target_addr,
332 const struct timeval *tv)
334 struct target_timeval *target_tv;
336 lock_user_struct(target_tv, target_addr, 0);
337 target_tv->tv_sec = tswapl(tv->tv_sec);
338 target_tv->tv_usec = tswapl(tv->tv_usec);
339 unlock_user_struct(target_tv, target_addr, 1);
343 static long do_select(long n,
344 target_ulong rfd_p, target_ulong wfd_p,
345 target_ulong efd_p, target_ulong target_tv)
347 fd_set rfds, wfds, efds;
348 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
349 target_long *target_rfds, *target_wfds, *target_efds;
350 struct timeval tv, *tv_ptr;
355 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
356 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
362 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
363 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
369 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
370 efds_ptr = target_to_host_fds(&efds, target_efds, n);
377 target_to_host_timeval(&tv, target_tv);
382 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
386 host_to_target_fds(target_rfds, rfds_ptr, n);
387 host_to_target_fds(target_wfds, wfds_ptr, n);
388 host_to_target_fds(target_efds, efds_ptr, n);
391 host_to_target_timeval(target_tv, &tv);
395 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
397 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
399 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
404 static inline void target_to_host_sockaddr(struct sockaddr *addr,
405 target_ulong target_addr,
408 struct target_sockaddr *target_saddr;
410 target_saddr = lock_user(target_addr, len, 1);
411 memcpy(addr, target_saddr, len);
412 addr->sa_family = tswap16(target_saddr->sa_family);
413 unlock_user(target_saddr, target_addr, 0);
416 static inline void host_to_target_sockaddr(target_ulong target_addr,
417 struct sockaddr *addr,
420 struct target_sockaddr *target_saddr;
422 target_saddr = lock_user(target_addr, len, 0);
423 memcpy(target_saddr, addr, len);
424 target_saddr->sa_family = tswap16(addr->sa_family);
425 unlock_user(target_saddr, target_addr, len);
428 /* ??? Should this also swap msgh->name? */
429 static inline void target_to_host_cmsg(struct msghdr *msgh,
430 struct target_msghdr *target_msgh)
432 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
433 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
436 while (cmsg && target_cmsg) {
437 void *data = CMSG_DATA(cmsg);
438 void *target_data = TARGET_CMSG_DATA(target_cmsg);
440 int len = tswapl(target_cmsg->cmsg_len)
441 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
443 space += CMSG_SPACE(len);
444 if (space > msgh->msg_controllen) {
445 space -= CMSG_SPACE(len);
446 gemu_log("Host cmsg overflow\n");
450 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
451 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
452 cmsg->cmsg_len = CMSG_LEN(len);
454 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
455 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
456 memcpy(data, target_data, len);
458 int *fd = (int *)data;
459 int *target_fd = (int *)target_data;
460 int i, numfds = len / sizeof(int);
462 for (i = 0; i < numfds; i++)
463 fd[i] = tswap32(target_fd[i]);
466 cmsg = CMSG_NXTHDR(msgh, cmsg);
467 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
470 msgh->msg_controllen = space;
473 /* ??? Should this also swap msgh->name? */
474 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
477 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
478 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
481 while (cmsg && target_cmsg) {
482 void *data = CMSG_DATA(cmsg);
483 void *target_data = TARGET_CMSG_DATA(target_cmsg);
485 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
487 space += TARGET_CMSG_SPACE(len);
488 if (space > tswapl(target_msgh->msg_controllen)) {
489 space -= TARGET_CMSG_SPACE(len);
490 gemu_log("Target cmsg overflow\n");
494 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
495 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
496 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
498 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
499 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
500 memcpy(target_data, data, len);
502 int *fd = (int *)data;
503 int *target_fd = (int *)target_data;
504 int i, numfds = len / sizeof(int);
506 for (i = 0; i < numfds; i++)
507 target_fd[i] = tswap32(fd[i]);
510 cmsg = CMSG_NXTHDR(msgh, cmsg);
511 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
514 msgh->msg_controllen = tswapl(space);
517 static long do_setsockopt(int sockfd, int level, int optname,
518 target_ulong optval, socklen_t optlen)
524 /* TCP options all take an 'int' value. */
525 if (optlen < sizeof(uint32_t))
528 val = tget32(optval);
529 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
536 case IP_ROUTER_ALERT:
540 case IP_MTU_DISCOVER:
546 case IP_MULTICAST_TTL:
547 case IP_MULTICAST_LOOP:
549 if (optlen >= sizeof(uint32_t)) {
550 val = tget32(optval);
551 } else if (optlen >= 1) {
554 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
560 case TARGET_SOL_SOCKET:
562 /* Options with 'int' argument. */
563 case TARGET_SO_DEBUG:
566 case TARGET_SO_REUSEADDR:
567 optname = SO_REUSEADDR;
572 case TARGET_SO_ERROR:
575 case TARGET_SO_DONTROUTE:
576 optname = SO_DONTROUTE;
578 case TARGET_SO_BROADCAST:
579 optname = SO_BROADCAST;
581 case TARGET_SO_SNDBUF:
584 case TARGET_SO_RCVBUF:
587 case TARGET_SO_KEEPALIVE:
588 optname = SO_KEEPALIVE;
590 case TARGET_SO_OOBINLINE:
591 optname = SO_OOBINLINE;
593 case TARGET_SO_NO_CHECK:
594 optname = SO_NO_CHECK;
596 case TARGET_SO_PRIORITY:
597 optname = SO_PRIORITY;
600 case TARGET_SO_BSDCOMPAT:
601 optname = SO_BSDCOMPAT;
604 case TARGET_SO_PASSCRED:
605 optname = SO_PASSCRED;
607 case TARGET_SO_TIMESTAMP:
608 optname = SO_TIMESTAMP;
610 case TARGET_SO_RCVLOWAT:
611 optname = SO_RCVLOWAT;
613 case TARGET_SO_RCVTIMEO:
614 optname = SO_RCVTIMEO;
616 case TARGET_SO_SNDTIMEO:
617 optname = SO_SNDTIMEO;
623 if (optlen < sizeof(uint32_t))
626 val = tget32(optval);
627 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
631 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
637 static long do_getsockopt(int sockfd, int level, int optname,
638 target_ulong optval, target_ulong optlen)
640 int len, lv, val, ret;
643 case TARGET_SOL_SOCKET:
646 case TARGET_SO_LINGER:
647 case TARGET_SO_RCVTIMEO:
648 case TARGET_SO_SNDTIMEO:
649 case TARGET_SO_PEERCRED:
650 case TARGET_SO_PEERNAME:
651 /* These don't just return a single integer */
658 /* TCP options all take an 'int' value. */
660 len = tget32(optlen);
664 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
681 case IP_ROUTER_ALERT:
685 case IP_MTU_DISCOVER:
691 case IP_MULTICAST_TTL:
692 case IP_MULTICAST_LOOP:
693 len = tget32(optlen);
697 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
700 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
705 if (len > sizeof(int))
717 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
725 static void lock_iovec(struct iovec *vec, target_ulong target_addr,
728 struct target_iovec *target_vec;
732 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
733 for(i = 0;i < count; i++) {
734 base = tswapl(target_vec[i].iov_base);
735 vec[i].iov_len = tswapl(target_vec[i].iov_len);
736 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
738 unlock_user (target_vec, target_addr, 0);
741 static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
744 struct target_iovec *target_vec;
748 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
749 for(i = 0;i < count; i++) {
750 base = tswapl(target_vec[i].iov_base);
751 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
753 unlock_user (target_vec, target_addr, 0);
756 static long do_socket(int domain, int type, int protocol)
758 #if defined(TARGET_MIPS)
760 case TARGET_SOCK_DGRAM:
763 case TARGET_SOCK_STREAM:
766 case TARGET_SOCK_RAW:
769 case TARGET_SOCK_RDM:
772 case TARGET_SOCK_SEQPACKET:
773 type = SOCK_SEQPACKET;
775 case TARGET_SOCK_PACKET:
780 return get_errno(socket(domain, type, protocol));
783 static long do_bind(int sockfd, target_ulong target_addr,
786 void *addr = alloca(addrlen);
788 target_to_host_sockaddr(addr, target_addr, addrlen);
789 return get_errno(bind(sockfd, addr, addrlen));
792 static long do_connect(int sockfd, target_ulong target_addr,
795 void *addr = alloca(addrlen);
797 target_to_host_sockaddr(addr, target_addr, addrlen);
798 return get_errno(connect(sockfd, addr, addrlen));
801 static long do_sendrecvmsg(int fd, target_ulong target_msg,
805 struct target_msghdr *msgp;
809 target_ulong target_vec;
811 lock_user_struct(msgp, target_msg, 1);
812 if (msgp->msg_name) {
813 msg.msg_namelen = tswap32(msgp->msg_namelen);
814 msg.msg_name = alloca(msg.msg_namelen);
815 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
821 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
822 msg.msg_control = alloca(msg.msg_controllen);
823 msg.msg_flags = tswap32(msgp->msg_flags);
825 count = tswapl(msgp->msg_iovlen);
826 vec = alloca(count * sizeof(struct iovec));
827 target_vec = tswapl(msgp->msg_iov);
828 lock_iovec(vec, target_vec, count, send);
829 msg.msg_iovlen = count;
833 target_to_host_cmsg(&msg, msgp);
834 ret = get_errno(sendmsg(fd, &msg, flags));
836 ret = get_errno(recvmsg(fd, &msg, flags));
838 host_to_target_cmsg(msgp, &msg);
840 unlock_iovec(vec, target_vec, count, !send);
844 static long do_accept(int fd, target_ulong target_addr,
845 target_ulong target_addrlen)
847 socklen_t addrlen = tget32(target_addrlen);
848 void *addr = alloca(addrlen);
851 ret = get_errno(accept(fd, addr, &addrlen));
852 if (!is_error(ret)) {
853 host_to_target_sockaddr(target_addr, addr, addrlen);
854 tput32(target_addrlen, addrlen);
859 static long do_getpeername(int fd, target_ulong target_addr,
860 target_ulong target_addrlen)
862 socklen_t addrlen = tget32(target_addrlen);
863 void *addr = alloca(target_addrlen);
866 ret = get_errno(getpeername(fd, addr, &addrlen));
867 if (!is_error(ret)) {
868 host_to_target_sockaddr(target_addr, addr, addrlen);
869 tput32(target_addrlen, addrlen);
874 static long do_getsockname(int fd, target_ulong target_addr,
875 target_ulong target_addrlen)
877 socklen_t addrlen = tget32(target_addrlen);
878 void *addr = alloca(target_addrlen);
881 ret = get_errno(getsockname(fd, addr, &addrlen));
882 if (!is_error(ret)) {
883 host_to_target_sockaddr(target_addr, addr, addrlen);
884 tput32(target_addrlen, addrlen);
889 static long do_socketpair(int domain, int type, int protocol,
890 target_ulong target_tab)
895 ret = get_errno(socketpair(domain, type, protocol, tab));
896 if (!is_error(ret)) {
897 tput32(target_tab, tab[0]);
898 tput32(target_tab + 4, tab[1]);
903 static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
904 target_ulong target_addr, socklen_t addrlen)
910 host_msg = lock_user(msg, len, 1);
912 addr = alloca(addrlen);
913 target_to_host_sockaddr(addr, target_addr, addrlen);
914 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
916 ret = get_errno(send(fd, host_msg, len, flags));
918 unlock_user(host_msg, msg, 0);
922 static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
923 target_ulong target_addr, target_ulong target_addrlen)
930 host_msg = lock_user(msg, len, 0);
932 addrlen = tget32(target_addrlen);
933 addr = alloca(addrlen);
934 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
936 addr = NULL; /* To keep compiler quiet. */
937 ret = get_errno(recv(fd, host_msg, len, flags));
939 if (!is_error(ret)) {
941 host_to_target_sockaddr(target_addr, addr, addrlen);
942 tput32(target_addrlen, addrlen);
944 unlock_user(host_msg, msg, len);
946 unlock_user(host_msg, msg, 0);
951 static long do_socketcall(int num, target_ulong vptr)
954 const int n = sizeof(target_ulong);
959 int domain = tgetl(vptr);
960 int type = tgetl(vptr + n);
961 int protocol = tgetl(vptr + 2 * n);
962 ret = do_socket(domain, type, protocol);
967 int sockfd = tgetl(vptr);
968 target_ulong target_addr = tgetl(vptr + n);
969 socklen_t addrlen = tgetl(vptr + 2 * n);
970 ret = do_bind(sockfd, target_addr, addrlen);
975 int sockfd = tgetl(vptr);
976 target_ulong target_addr = tgetl(vptr + n);
977 socklen_t addrlen = tgetl(vptr + 2 * n);
978 ret = do_connect(sockfd, target_addr, addrlen);
983 int sockfd = tgetl(vptr);
984 int backlog = tgetl(vptr + n);
985 ret = get_errno(listen(sockfd, backlog));
990 int sockfd = tgetl(vptr);
991 target_ulong target_addr = tgetl(vptr + n);
992 target_ulong target_addrlen = tgetl(vptr + 2 * n);
993 ret = do_accept(sockfd, target_addr, target_addrlen);
996 case SOCKOP_getsockname:
998 int sockfd = tgetl(vptr);
999 target_ulong target_addr = tgetl(vptr + n);
1000 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1001 ret = do_getsockname(sockfd, target_addr, target_addrlen);
1004 case SOCKOP_getpeername:
1006 int sockfd = tgetl(vptr);
1007 target_ulong target_addr = tgetl(vptr + n);
1008 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1009 ret = do_getpeername(sockfd, target_addr, target_addrlen);
1012 case SOCKOP_socketpair:
1014 int domain = tgetl(vptr);
1015 int type = tgetl(vptr + n);
1016 int protocol = tgetl(vptr + 2 * n);
1017 target_ulong tab = tgetl(vptr + 3 * n);
1018 ret = do_socketpair(domain, type, protocol, tab);
1023 int sockfd = tgetl(vptr);
1024 target_ulong msg = tgetl(vptr + n);
1025 size_t len = tgetl(vptr + 2 * n);
1026 int flags = tgetl(vptr + 3 * n);
1027 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1032 int sockfd = tgetl(vptr);
1033 target_ulong msg = tgetl(vptr + n);
1034 size_t len = tgetl(vptr + 2 * n);
1035 int flags = tgetl(vptr + 3 * n);
1036 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1041 int sockfd = tgetl(vptr);
1042 target_ulong msg = tgetl(vptr + n);
1043 size_t len = tgetl(vptr + 2 * n);
1044 int flags = tgetl(vptr + 3 * n);
1045 target_ulong addr = tgetl(vptr + 4 * n);
1046 socklen_t addrlen = tgetl(vptr + 5 * n);
1047 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1050 case SOCKOP_recvfrom:
1052 int sockfd = tgetl(vptr);
1053 target_ulong msg = tgetl(vptr + n);
1054 size_t len = tgetl(vptr + 2 * n);
1055 int flags = tgetl(vptr + 3 * n);
1056 target_ulong addr = tgetl(vptr + 4 * n);
1057 target_ulong addrlen = tgetl(vptr + 5 * n);
1058 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1061 case SOCKOP_shutdown:
1063 int sockfd = tgetl(vptr);
1064 int how = tgetl(vptr + n);
1066 ret = get_errno(shutdown(sockfd, how));
1069 case SOCKOP_sendmsg:
1070 case SOCKOP_recvmsg:
1073 target_ulong target_msg;
1077 target_msg = tgetl(vptr + n);
1078 flags = tgetl(vptr + 2 * n);
1080 ret = do_sendrecvmsg(fd, target_msg, flags,
1081 (num == SOCKOP_sendmsg));
1084 case SOCKOP_setsockopt:
1086 int sockfd = tgetl(vptr);
1087 int level = tgetl(vptr + n);
1088 int optname = tgetl(vptr + 2 * n);
1089 target_ulong optval = tgetl(vptr + 3 * n);
1090 socklen_t optlen = tgetl(vptr + 4 * n);
1092 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1095 case SOCKOP_getsockopt:
1097 int sockfd = tgetl(vptr);
1098 int level = tgetl(vptr + n);
1099 int optname = tgetl(vptr + 2 * n);
1100 target_ulong optval = tgetl(vptr + 3 * n);
1101 target_ulong poptlen = tgetl(vptr + 4 * n);
1103 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
1107 gemu_log("Unsupported socketcall: %d\n", num);
1114 #define N_SHM_REGIONS 32
1116 static struct shm_region {
1119 } shm_regions[N_SHM_REGIONS];
1123 struct senid_ds *buf;
1124 unsigned short *array;
1127 /* ??? This only works with linear mappings. */
1128 static long do_ipc(long call, long first, long second, long third,
1129 long ptr, long fifth)
1133 unsigned long raddr;
1134 struct shmid_ds shm_info;
1137 version = call >> 16;
1142 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1146 ret = get_errno(semget(first, second, third));
1150 ret = get_errno(semctl(first, second, third, ((union semun*)ptr)->val));
1154 case IPCOP_semtimedop:
1155 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1160 ret = get_errno(msgget(first, second));
1164 ret = get_errno(msgsnd(first, (struct msgbuf *) ptr, second, third));
1168 ret = get_errno(msgctl(first, second, (struct msqid_ds *) ptr));
1175 void *__unbounded msgp;
1179 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1180 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1182 ret = get_errno(msgrcv(first, msgp, second, 0, third));
1188 /* SHM_* flags are the same on all linux platforms */
1189 ret = get_errno((long) shmat(first, (void *) ptr, second));
1193 /* find out the length of the shared memory segment */
1195 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1196 if (is_error(ret)) {
1197 /* can't get length, bail out */
1198 shmdt((void *) raddr);
1201 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1202 PAGE_VALID | PAGE_READ |
1203 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1204 for (i = 0; i < N_SHM_REGIONS; ++i) {
1205 if (shm_regions[i].start == 0) {
1206 shm_regions[i].start = raddr;
1207 shm_regions[i].size = shm_info.shm_segsz;
1211 if (put_user(raddr, (uint32_t *)third))
1216 for (i = 0; i < N_SHM_REGIONS; ++i) {
1217 if (shm_regions[i].start == ptr) {
1218 shm_regions[i].start = 0;
1219 page_set_flags(ptr, shm_regions[i].size, 0);
1223 ret = get_errno(shmdt((void *) ptr));
1227 /* IPC_* flag values are the same on all linux platforms */
1228 ret = get_errno(shmget(first, second, third));
1231 /* IPC_* and SHM_* command values are the same on all linux platforms */
1237 ret = get_errno(shmctl(first, second, NULL));
1245 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1252 /* kernel structure types definitions */
1255 #define STRUCT(name, list...) STRUCT_ ## name,
1256 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
1258 #include "syscall_types.h"
1261 #undef STRUCT_SPECIAL
1263 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1264 #define STRUCT_SPECIAL(name)
1265 #include "syscall_types.h"
1267 #undef STRUCT_SPECIAL
1269 typedef struct IOCTLEntry {
1270 unsigned int target_cmd;
1271 unsigned int host_cmd;
1274 const argtype arg_type[5];
1277 #define IOC_R 0x0001
1278 #define IOC_W 0x0002
1279 #define IOC_RW (IOC_R | IOC_W)
1281 #define MAX_STRUCT_SIZE 4096
1283 IOCTLEntry ioctl_entries[] = {
1284 #define IOCTL(cmd, access, types...) \
1285 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1290 /* ??? Implement proper locking for ioctls. */
1291 static long do_ioctl(long fd, long cmd, long arg)
1293 const IOCTLEntry *ie;
1294 const argtype *arg_type;
1296 uint8_t buf_temp[MAX_STRUCT_SIZE];
1302 if (ie->target_cmd == 0) {
1303 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1306 if (ie->target_cmd == cmd)
1310 arg_type = ie->arg_type;
1312 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1314 switch(arg_type[0]) {
1317 ret = get_errno(ioctl(fd, ie->host_cmd));
1322 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1326 target_size = thunk_type_size(arg_type, 0);
1327 switch(ie->access) {
1329 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1330 if (!is_error(ret)) {
1331 argptr = lock_user(arg, target_size, 0);
1332 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1333 unlock_user(argptr, arg, target_size);
1337 argptr = lock_user(arg, target_size, 1);
1338 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1339 unlock_user(argptr, arg, 0);
1340 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1344 argptr = lock_user(arg, target_size, 1);
1345 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1346 unlock_user(argptr, arg, 0);
1347 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1348 if (!is_error(ret)) {
1349 argptr = lock_user(arg, target_size, 0);
1350 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1351 unlock_user(argptr, arg, target_size);
1357 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1364 bitmask_transtbl iflag_tbl[] = {
1365 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1366 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1367 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1368 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1369 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1370 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1371 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1372 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1373 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1374 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1375 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1376 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1377 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1378 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1382 bitmask_transtbl oflag_tbl[] = {
1383 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1384 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1385 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1386 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1387 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1388 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1389 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1390 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1391 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1392 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1393 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1394 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1395 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1396 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1397 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1398 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1399 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1400 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1401 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1402 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1403 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1404 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1405 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1406 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1410 bitmask_transtbl cflag_tbl[] = {
1411 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1412 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1413 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1414 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1415 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1416 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1417 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1418 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1419 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1420 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1421 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1422 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1423 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1424 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1425 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1426 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1427 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1428 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1429 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1430 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1431 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1432 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1433 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1434 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1435 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1436 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1437 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1438 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1439 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1440 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1441 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1445 bitmask_transtbl lflag_tbl[] = {
1446 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1447 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1448 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1449 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1450 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1451 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1452 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1453 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1454 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1455 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1456 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1457 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1458 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1459 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1460 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1464 static void target_to_host_termios (void *dst, const void *src)
1466 struct host_termios *host = dst;
1467 const struct target_termios *target = src;
1470 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1472 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1474 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1476 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1477 host->c_line = target->c_line;
1479 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1480 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1481 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1482 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1483 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1484 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1485 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1486 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1487 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1488 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1489 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1490 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1491 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1492 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1493 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1494 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1495 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1498 static void host_to_target_termios (void *dst, const void *src)
1500 struct target_termios *target = dst;
1501 const struct host_termios *host = src;
1504 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1506 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1508 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1510 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1511 target->c_line = host->c_line;
1513 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1514 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1515 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1516 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1517 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1518 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1519 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1520 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1521 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1522 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1523 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1524 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1525 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1526 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1527 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1528 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1529 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1532 StructEntry struct_termios_def = {
1533 .convert = { host_to_target_termios, target_to_host_termios },
1534 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1535 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1538 static bitmask_transtbl mmap_flags_tbl[] = {
1539 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1540 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1541 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1542 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1543 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1544 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1545 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1546 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1550 static bitmask_transtbl fcntl_flags_tbl[] = {
1551 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1552 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1553 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1554 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1555 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1556 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1557 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1558 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1559 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1560 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1561 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1562 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1563 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1564 #if defined(O_DIRECT)
1565 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
1570 #if defined(TARGET_I386)
1572 /* NOTE: there is really one LDT for all the threads */
1575 static int read_ldt(target_ulong ptr, unsigned long bytecount)
1582 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1583 if (size > bytecount)
1585 p = lock_user(ptr, size, 0);
1586 /* ??? Shoudl this by byteswapped? */
1587 memcpy(p, ldt_table, size);
1588 unlock_user(p, ptr, size);
1592 /* XXX: add locking support */
1593 static int write_ldt(CPUX86State *env,
1594 target_ulong ptr, unsigned long bytecount, int oldmode)
1596 struct target_modify_ldt_ldt_s ldt_info;
1597 struct target_modify_ldt_ldt_s *target_ldt_info;
1598 int seg_32bit, contents, read_exec_only, limit_in_pages;
1599 int seg_not_present, useable;
1600 uint32_t *lp, entry_1, entry_2;
1602 if (bytecount != sizeof(ldt_info))
1604 lock_user_struct(target_ldt_info, ptr, 1);
1605 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1606 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1607 ldt_info.limit = tswap32(target_ldt_info->limit);
1608 ldt_info.flags = tswap32(target_ldt_info->flags);
1609 unlock_user_struct(target_ldt_info, ptr, 0);
1611 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1613 seg_32bit = ldt_info.flags & 1;
1614 contents = (ldt_info.flags >> 1) & 3;
1615 read_exec_only = (ldt_info.flags >> 3) & 1;
1616 limit_in_pages = (ldt_info.flags >> 4) & 1;
1617 seg_not_present = (ldt_info.flags >> 5) & 1;
1618 useable = (ldt_info.flags >> 6) & 1;
1620 if (contents == 3) {
1623 if (seg_not_present == 0)
1626 /* allocate the LDT */
1628 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1631 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1632 env->ldt.base = h2g(ldt_table);
1633 env->ldt.limit = 0xffff;
1636 /* NOTE: same code as Linux kernel */
1637 /* Allow LDTs to be cleared by the user. */
1638 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1641 read_exec_only == 1 &&
1643 limit_in_pages == 0 &&
1644 seg_not_present == 1 &&
1652 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1653 (ldt_info.limit & 0x0ffff);
1654 entry_2 = (ldt_info.base_addr & 0xff000000) |
1655 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1656 (ldt_info.limit & 0xf0000) |
1657 ((read_exec_only ^ 1) << 9) |
1659 ((seg_not_present ^ 1) << 15) |
1661 (limit_in_pages << 23) |
1664 entry_2 |= (useable << 20);
1666 /* Install the new entry ... */
1668 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1669 lp[0] = tswap32(entry_1);
1670 lp[1] = tswap32(entry_2);
1674 /* specific and weird i386 syscalls */
1675 int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
1681 ret = read_ldt(ptr, bytecount);
1684 ret = write_ldt(env, ptr, bytecount, 1);
1687 ret = write_ldt(env, ptr, bytecount, 0);
1693 #endif /* defined(TARGET_I386) */
1695 /* this stack is the equivalent of the kernel stack associated with a
1697 #define NEW_STACK_SIZE 8192
1699 static int clone_func(void *arg)
1701 CPUState *env = arg;
1707 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1714 if (flags & CLONE_VM) {
1715 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1716 memset(ts, 0, sizeof(TaskState));
1717 new_stack = ts->stack;
1719 /* add in task state list */
1720 ts->next = first_task_state;
1721 first_task_state = ts;
1722 /* we create a new CPU instance. */
1723 new_env = cpu_init();
1724 memcpy(new_env, env, sizeof(CPUState));
1725 #if defined(TARGET_I386)
1727 newsp = env->regs[R_ESP];
1728 new_env->regs[R_ESP] = newsp;
1729 new_env->regs[R_EAX] = 0;
1730 #elif defined(TARGET_ARM)
1732 newsp = env->regs[13];
1733 new_env->regs[13] = newsp;
1734 new_env->regs[0] = 0;
1735 #elif defined(TARGET_SPARC)
1737 newsp = env->regwptr[22];
1738 new_env->regwptr[22] = newsp;
1739 new_env->regwptr[0] = 0;
1741 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1742 #elif defined(TARGET_M68K)
1744 newsp = env->aregs[7];
1745 new_env->aregs[7] = newsp;
1746 new_env->dregs[0] = 0;
1747 /* ??? is this sufficient? */
1748 #elif defined(TARGET_MIPS)
1749 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1750 #elif defined(TARGET_PPC)
1752 newsp = env->gpr[1];
1753 new_env->gpr[1] = newsp;
1756 for (i = 7; i < 32; i++)
1757 new_env->gpr[i] = 0;
1759 #elif defined(TARGET_SH4)
1761 newsp = env->gregs[15];
1762 new_env->gregs[15] = newsp;
1765 #error unsupported target CPU
1767 new_env->opaque = ts;
1769 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1771 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1774 /* if no CLONE_VM, we consider it is a fork */
1775 if ((flags & ~CSIGNAL) != 0)
1782 static long do_fcntl(int fd, int cmd, target_ulong arg)
1785 struct target_flock *target_fl;
1786 struct flock64 fl64;
1787 struct target_flock64 *target_fl64;
1791 case TARGET_F_GETLK:
1792 ret = fcntl(fd, cmd, &fl);
1794 lock_user_struct(target_fl, arg, 0);
1795 target_fl->l_type = tswap16(fl.l_type);
1796 target_fl->l_whence = tswap16(fl.l_whence);
1797 target_fl->l_start = tswapl(fl.l_start);
1798 target_fl->l_len = tswapl(fl.l_len);
1799 target_fl->l_pid = tswapl(fl.l_pid);
1800 unlock_user_struct(target_fl, arg, 1);
1804 case TARGET_F_SETLK:
1805 case TARGET_F_SETLKW:
1806 lock_user_struct(target_fl, arg, 1);
1807 fl.l_type = tswap16(target_fl->l_type);
1808 fl.l_whence = tswap16(target_fl->l_whence);
1809 fl.l_start = tswapl(target_fl->l_start);
1810 fl.l_len = tswapl(target_fl->l_len);
1811 fl.l_pid = tswapl(target_fl->l_pid);
1812 unlock_user_struct(target_fl, arg, 0);
1813 ret = fcntl(fd, cmd, &fl);
1816 case TARGET_F_GETLK64:
1817 ret = fcntl(fd, cmd >> 1, &fl64);
1819 lock_user_struct(target_fl64, arg, 0);
1820 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
1821 target_fl64->l_whence = tswap16(fl64.l_whence);
1822 target_fl64->l_start = tswapl(fl64.l_start);
1823 target_fl64->l_len = tswapl(fl64.l_len);
1824 target_fl64->l_pid = tswapl(fl64.l_pid);
1825 unlock_user_struct(target_fl64, arg, 1);
1828 case TARGET_F_SETLK64:
1829 case TARGET_F_SETLKW64:
1830 lock_user_struct(target_fl64, arg, 1);
1831 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1832 fl64.l_whence = tswap16(target_fl64->l_whence);
1833 fl64.l_start = tswapl(target_fl64->l_start);
1834 fl64.l_len = tswapl(target_fl64->l_len);
1835 fl64.l_pid = tswap16(target_fl64->l_pid);
1836 unlock_user_struct(target_fl64, arg, 0);
1837 ret = fcntl(fd, cmd >> 1, &fl64);
1841 ret = fcntl(fd, cmd, arg);
1842 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1846 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1850 ret = fcntl(fd, cmd, arg);
1858 static inline int high2lowuid(int uid)
1866 static inline int high2lowgid(int gid)
1874 static inline int low2highuid(int uid)
1876 if ((int16_t)uid == -1)
1882 static inline int low2highgid(int gid)
1884 if ((int16_t)gid == -1)
1890 #endif /* USE_UID16 */
1892 void syscall_init(void)
1895 const argtype *arg_type;
1898 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1899 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1900 #include "syscall_types.h"
1902 #undef STRUCT_SPECIAL
1904 /* we patch the ioctl size if necessary. We rely on the fact that
1905 no ioctl has all the bits at '1' in the size field */
1907 while (ie->target_cmd != 0) {
1908 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1909 TARGET_IOC_SIZEMASK) {
1910 arg_type = ie->arg_type;
1911 if (arg_type[0] != TYPE_PTR) {
1912 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1917 size = thunk_type_size(arg_type, 0);
1918 ie->target_cmd = (ie->target_cmd &
1919 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1920 (size << TARGET_IOC_SIZESHIFT);
1922 /* automatic consistency check if same arch */
1923 #if defined(__i386__) && defined(TARGET_I386)
1924 if (ie->target_cmd != ie->host_cmd) {
1925 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1926 ie->target_cmd, ie->host_cmd);
1933 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1935 #ifdef TARGET_WORDS_BIG_ENDIAN
1936 return ((uint64_t)word0 << 32) | word1;
1938 return ((uint64_t)word1 << 32) | word0;
1942 #ifdef TARGET_NR_truncate64
1943 static inline long target_truncate64(void *cpu_env, const char *arg1,
1944 long arg2, long arg3, long arg4)
1947 if (((CPUARMState *)cpu_env)->eabi)
1953 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1957 #ifdef TARGET_NR_ftruncate64
1958 static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1959 long arg3, long arg4)
1962 if (((CPUARMState *)cpu_env)->eabi)
1968 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1972 static inline void target_to_host_timespec(struct timespec *host_ts,
1973 target_ulong target_addr)
1975 struct target_timespec *target_ts;
1977 lock_user_struct(target_ts, target_addr, 1);
1978 host_ts->tv_sec = tswapl(target_ts->tv_sec);
1979 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1980 unlock_user_struct(target_ts, target_addr, 0);
1983 static inline void host_to_target_timespec(target_ulong target_addr,
1984 struct timespec *host_ts)
1986 struct target_timespec *target_ts;
1988 lock_user_struct(target_ts, target_addr, 0);
1989 target_ts->tv_sec = tswapl(host_ts->tv_sec);
1990 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
1991 unlock_user_struct(target_ts, target_addr, 1);
1994 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1995 long arg4, long arg5, long arg6)
2003 gemu_log("syscall %d", num);
2006 case TARGET_NR_exit:
2010 gdb_exit(cpu_env, arg1);
2011 /* XXX: should free thread stack and CPU env */
2013 ret = 0; /* avoid warning */
2015 case TARGET_NR_read:
2016 page_unprotect_range(arg2, arg3);
2017 p = lock_user(arg2, arg3, 0);
2018 ret = get_errno(read(arg1, p, arg3));
2019 unlock_user(p, arg2, ret);
2021 case TARGET_NR_write:
2022 p = lock_user(arg2, arg3, 1);
2023 ret = get_errno(write(arg1, p, arg3));
2024 unlock_user(p, arg2, 0);
2026 case TARGET_NR_open:
2027 p = lock_user_string(arg1);
2028 ret = get_errno(open(path(p),
2029 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2031 unlock_user(p, arg1, 0);
2033 case TARGET_NR_close:
2034 ret = get_errno(close(arg1));
2039 case TARGET_NR_fork:
2040 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
2042 case TARGET_NR_waitpid:
2045 ret = get_errno(waitpid(arg1, &status, arg3));
2046 if (!is_error(ret) && arg2)
2047 tput32(arg2, status);
2050 case TARGET_NR_creat:
2051 p = lock_user_string(arg1);
2052 ret = get_errno(creat(p, arg2));
2053 unlock_user(p, arg1, 0);
2055 case TARGET_NR_link:
2058 p = lock_user_string(arg1);
2059 p2 = lock_user_string(arg2);
2060 ret = get_errno(link(p, p2));
2061 unlock_user(p2, arg2, 0);
2062 unlock_user(p, arg1, 0);
2065 case TARGET_NR_unlink:
2066 p = lock_user_string(arg1);
2067 ret = get_errno(unlink(p));
2068 unlock_user(p, arg1, 0);
2070 case TARGET_NR_execve:
2072 char **argp, **envp;
2075 target_ulong guest_argp;
2076 target_ulong guest_envp;
2082 for (gp = guest_argp; tgetl(gp); gp++)
2086 for (gp = guest_envp; tgetl(gp); gp++)
2089 argp = alloca((argc + 1) * sizeof(void *));
2090 envp = alloca((envc + 1) * sizeof(void *));
2092 for (gp = guest_argp, q = argp; ;
2093 gp += sizeof(target_ulong), q++) {
2097 *q = lock_user_string(addr);
2101 for (gp = guest_envp, q = envp; ;
2102 gp += sizeof(target_ulong), q++) {
2106 *q = lock_user_string(addr);
2110 p = lock_user_string(arg1);
2111 ret = get_errno(execve(p, argp, envp));
2112 unlock_user(p, arg1, 0);
2114 for (gp = guest_argp, q = argp; *q;
2115 gp += sizeof(target_ulong), q++) {
2117 unlock_user(*q, addr, 0);
2119 for (gp = guest_envp, q = envp; *q;
2120 gp += sizeof(target_ulong), q++) {
2122 unlock_user(*q, addr, 0);
2126 case TARGET_NR_chdir:
2127 p = lock_user_string(arg1);
2128 ret = get_errno(chdir(p));
2129 unlock_user(p, arg1, 0);
2131 #ifdef TARGET_NR_time
2132 case TARGET_NR_time:
2135 ret = get_errno(time(&host_time));
2136 if (!is_error(ret) && arg1)
2137 tputl(arg1, host_time);
2141 case TARGET_NR_mknod:
2142 p = lock_user_string(arg1);
2143 ret = get_errno(mknod(p, arg2, arg3));
2144 unlock_user(p, arg1, 0);
2146 case TARGET_NR_chmod:
2147 p = lock_user_string(arg1);
2148 ret = get_errno(chmod(p, arg2));
2149 unlock_user(p, arg1, 0);
2151 #ifdef TARGET_NR_break
2152 case TARGET_NR_break:
2155 #ifdef TARGET_NR_oldstat
2156 case TARGET_NR_oldstat:
2159 case TARGET_NR_lseek:
2160 ret = get_errno(lseek(arg1, arg2, arg3));
2162 case TARGET_NR_getpid:
2163 ret = get_errno(getpid());
2165 case TARGET_NR_mount:
2167 /* need to look at the data field */
2169 p = lock_user_string(arg1);
2170 p2 = lock_user_string(arg2);
2171 p3 = lock_user_string(arg3);
2172 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2173 unlock_user(p, arg1, 0);
2174 unlock_user(p2, arg2, 0);
2175 unlock_user(p3, arg3, 0);
2178 case TARGET_NR_umount:
2179 p = lock_user_string(arg1);
2180 ret = get_errno(umount(p));
2181 unlock_user(p, arg1, 0);
2183 case TARGET_NR_stime:
2186 host_time = tgetl(arg1);
2187 ret = get_errno(stime(&host_time));
2190 case TARGET_NR_ptrace:
2192 case TARGET_NR_alarm:
2195 #ifdef TARGET_NR_oldfstat
2196 case TARGET_NR_oldfstat:
2199 case TARGET_NR_pause:
2200 ret = get_errno(pause());
2202 case TARGET_NR_utime:
2204 struct utimbuf tbuf, *host_tbuf;
2205 struct target_utimbuf *target_tbuf;
2207 lock_user_struct(target_tbuf, arg2, 1);
2208 tbuf.actime = tswapl(target_tbuf->actime);
2209 tbuf.modtime = tswapl(target_tbuf->modtime);
2210 unlock_user_struct(target_tbuf, arg2, 0);
2215 p = lock_user_string(arg1);
2216 ret = get_errno(utime(p, host_tbuf));
2217 unlock_user(p, arg1, 0);
2220 case TARGET_NR_utimes:
2222 struct timeval *tvp, tv[2];
2224 target_to_host_timeval(&tv[0], arg2);
2225 target_to_host_timeval(&tv[1],
2226 arg2 + sizeof (struct target_timeval));
2231 p = lock_user_string(arg1);
2232 ret = get_errno(utimes(p, tvp));
2233 unlock_user(p, arg1, 0);
2236 #ifdef TARGET_NR_stty
2237 case TARGET_NR_stty:
2240 #ifdef TARGET_NR_gtty
2241 case TARGET_NR_gtty:
2244 case TARGET_NR_access:
2245 p = lock_user_string(arg1);
2246 ret = get_errno(access(p, arg2));
2247 unlock_user(p, arg1, 0);
2249 case TARGET_NR_nice:
2250 ret = get_errno(nice(arg1));
2252 #ifdef TARGET_NR_ftime
2253 case TARGET_NR_ftime:
2256 case TARGET_NR_sync:
2260 case TARGET_NR_kill:
2261 ret = get_errno(kill(arg1, arg2));
2263 case TARGET_NR_rename:
2266 p = lock_user_string(arg1);
2267 p2 = lock_user_string(arg2);
2268 ret = get_errno(rename(p, p2));
2269 unlock_user(p2, arg2, 0);
2270 unlock_user(p, arg1, 0);
2273 case TARGET_NR_mkdir:
2274 p = lock_user_string(arg1);
2275 ret = get_errno(mkdir(p, arg2));
2276 unlock_user(p, arg1, 0);
2278 case TARGET_NR_rmdir:
2279 p = lock_user_string(arg1);
2280 ret = get_errno(rmdir(p));
2281 unlock_user(p, arg1, 0);
2284 ret = get_errno(dup(arg1));
2286 case TARGET_NR_pipe:
2289 ret = get_errno(pipe(host_pipe));
2290 if (!is_error(ret)) {
2291 tput32(arg1, host_pipe[0]);
2292 tput32(arg1 + 4, host_pipe[1]);
2296 case TARGET_NR_times:
2298 struct target_tms *tmsp;
2300 ret = get_errno(times(&tms));
2302 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
2303 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2304 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2305 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2306 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2309 ret = host_to_target_clock_t(ret);
2312 #ifdef TARGET_NR_prof
2313 case TARGET_NR_prof:
2316 case TARGET_NR_signal:
2319 case TARGET_NR_acct:
2320 p = lock_user_string(arg1);
2321 ret = get_errno(acct(path(p)));
2322 unlock_user(p, arg1, 0);
2324 case TARGET_NR_umount2:
2325 p = lock_user_string(arg1);
2326 ret = get_errno(umount2(p, arg2));
2327 unlock_user(p, arg1, 0);
2329 #ifdef TARGET_NR_lock
2330 case TARGET_NR_lock:
2333 case TARGET_NR_ioctl:
2334 ret = do_ioctl(arg1, arg2, arg3);
2336 case TARGET_NR_fcntl:
2337 ret = get_errno(do_fcntl(arg1, arg2, arg3));
2339 #ifdef TARGET_NR_mpx
2343 case TARGET_NR_setpgid:
2344 ret = get_errno(setpgid(arg1, arg2));
2346 #ifdef TARGET_NR_ulimit
2347 case TARGET_NR_ulimit:
2350 #ifdef TARGET_NR_oldolduname
2351 case TARGET_NR_oldolduname:
2354 case TARGET_NR_umask:
2355 ret = get_errno(umask(arg1));
2357 case TARGET_NR_chroot:
2358 p = lock_user_string(arg1);
2359 ret = get_errno(chroot(p));
2360 unlock_user(p, arg1, 0);
2362 case TARGET_NR_ustat:
2364 case TARGET_NR_dup2:
2365 ret = get_errno(dup2(arg1, arg2));
2367 case TARGET_NR_getppid:
2368 ret = get_errno(getppid());
2370 case TARGET_NR_getpgrp:
2371 ret = get_errno(getpgrp());
2373 case TARGET_NR_setsid:
2374 ret = get_errno(setsid());
2376 case TARGET_NR_sigaction:
2378 #if !defined(TARGET_MIPS)
2379 struct target_old_sigaction *old_act;
2380 struct target_sigaction act, oact, *pact;
2382 lock_user_struct(old_act, arg2, 1);
2383 act._sa_handler = old_act->_sa_handler;
2384 target_siginitset(&act.sa_mask, old_act->sa_mask);
2385 act.sa_flags = old_act->sa_flags;
2386 act.sa_restorer = old_act->sa_restorer;
2387 unlock_user_struct(old_act, arg2, 0);
2392 ret = get_errno(do_sigaction(arg1, pact, &oact));
2393 if (!is_error(ret) && arg3) {
2394 lock_user_struct(old_act, arg3, 0);
2395 old_act->_sa_handler = oact._sa_handler;
2396 old_act->sa_mask = oact.sa_mask.sig[0];
2397 old_act->sa_flags = oact.sa_flags;
2398 old_act->sa_restorer = oact.sa_restorer;
2399 unlock_user_struct(old_act, arg3, 1);
2402 struct target_sigaction act, oact, *pact, *old_act;
2405 lock_user_struct(old_act, arg2, 1);
2406 act._sa_handler = old_act->_sa_handler;
2407 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2408 act.sa_flags = old_act->sa_flags;
2409 unlock_user_struct(old_act, arg2, 0);
2415 ret = get_errno(do_sigaction(arg1, pact, &oact));
2417 if (!is_error(ret) && arg3) {
2418 lock_user_struct(old_act, arg3, 0);
2419 old_act->_sa_handler = oact._sa_handler;
2420 old_act->sa_flags = oact.sa_flags;
2421 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2422 old_act->sa_mask.sig[1] = 0;
2423 old_act->sa_mask.sig[2] = 0;
2424 old_act->sa_mask.sig[3] = 0;
2425 unlock_user_struct(old_act, arg3, 1);
2430 case TARGET_NR_rt_sigaction:
2432 struct target_sigaction *act;
2433 struct target_sigaction *oact;
2436 lock_user_struct(act, arg2, 1);
2440 lock_user_struct(oact, arg3, 0);
2443 ret = get_errno(do_sigaction(arg1, act, oact));
2445 unlock_user_struct(act, arg2, 0);
2447 unlock_user_struct(oact, arg3, 1);
2450 case TARGET_NR_sgetmask:
2453 target_ulong target_set;
2454 sigprocmask(0, NULL, &cur_set);
2455 host_to_target_old_sigset(&target_set, &cur_set);
2459 case TARGET_NR_ssetmask:
2461 sigset_t set, oset, cur_set;
2462 target_ulong target_set = arg1;
2463 sigprocmask(0, NULL, &cur_set);
2464 target_to_host_old_sigset(&set, &target_set);
2465 sigorset(&set, &set, &cur_set);
2466 sigprocmask(SIG_SETMASK, &set, &oset);
2467 host_to_target_old_sigset(&target_set, &oset);
2471 case TARGET_NR_sigprocmask:
2474 sigset_t set, oldset, *set_ptr;
2478 case TARGET_SIG_BLOCK:
2481 case TARGET_SIG_UNBLOCK:
2484 case TARGET_SIG_SETMASK:
2491 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2492 target_to_host_old_sigset(&set, p);
2493 unlock_user(p, arg2, 0);
2499 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2500 if (!is_error(ret) && arg3) {
2501 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2502 host_to_target_old_sigset(p, &oldset);
2503 unlock_user(p, arg3, sizeof(target_sigset_t));
2507 case TARGET_NR_rt_sigprocmask:
2510 sigset_t set, oldset, *set_ptr;
2514 case TARGET_SIG_BLOCK:
2517 case TARGET_SIG_UNBLOCK:
2520 case TARGET_SIG_SETMASK:
2527 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2528 target_to_host_sigset(&set, p);
2529 unlock_user(p, arg2, 0);
2535 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
2536 if (!is_error(ret) && arg3) {
2537 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2538 host_to_target_sigset(p, &oldset);
2539 unlock_user(p, arg3, sizeof(target_sigset_t));
2543 case TARGET_NR_sigpending:
2546 ret = get_errno(sigpending(&set));
2547 if (!is_error(ret)) {
2548 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2549 host_to_target_old_sigset(p, &set);
2550 unlock_user(p, arg1, sizeof(target_sigset_t));
2554 case TARGET_NR_rt_sigpending:
2557 ret = get_errno(sigpending(&set));
2558 if (!is_error(ret)) {
2559 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2560 host_to_target_sigset(p, &set);
2561 unlock_user(p, arg1, sizeof(target_sigset_t));
2565 case TARGET_NR_sigsuspend:
2568 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2569 target_to_host_old_sigset(&set, p);
2570 unlock_user(p, arg1, 0);
2571 ret = get_errno(sigsuspend(&set));
2574 case TARGET_NR_rt_sigsuspend:
2577 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2578 target_to_host_sigset(&set, p);
2579 unlock_user(p, arg1, 0);
2580 ret = get_errno(sigsuspend(&set));
2583 case TARGET_NR_rt_sigtimedwait:
2586 struct timespec uts, *puts;
2589 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2590 target_to_host_sigset(&set, p);
2591 unlock_user(p, arg1, 0);
2594 target_to_host_timespec(puts, arg3);
2598 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2599 if (!is_error(ret) && arg2) {
2600 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2601 host_to_target_siginfo(p, &uinfo);
2602 unlock_user(p, arg2, sizeof(target_sigset_t));
2606 case TARGET_NR_rt_sigqueueinfo:
2609 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2610 target_to_host_siginfo(&uinfo, p);
2611 unlock_user(p, arg1, 0);
2612 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2615 case TARGET_NR_sigreturn:
2616 /* NOTE: ret is eax, so not transcoding must be done */
2617 ret = do_sigreturn(cpu_env);
2619 case TARGET_NR_rt_sigreturn:
2620 /* NOTE: ret is eax, so not transcoding must be done */
2621 ret = do_rt_sigreturn(cpu_env);
2623 case TARGET_NR_sethostname:
2624 p = lock_user_string(arg1);
2625 ret = get_errno(sethostname(p, arg2));
2626 unlock_user(p, arg1, 0);
2628 case TARGET_NR_setrlimit:
2630 /* XXX: convert resource ? */
2631 int resource = arg1;
2632 struct target_rlimit *target_rlim;
2634 lock_user_struct(target_rlim, arg2, 1);
2635 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2636 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2637 unlock_user_struct(target_rlim, arg2, 0);
2638 ret = get_errno(setrlimit(resource, &rlim));
2641 case TARGET_NR_getrlimit:
2643 /* XXX: convert resource ? */
2644 int resource = arg1;
2645 struct target_rlimit *target_rlim;
2648 ret = get_errno(getrlimit(resource, &rlim));
2649 if (!is_error(ret)) {
2650 lock_user_struct(target_rlim, arg2, 0);
2651 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2652 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2653 unlock_user_struct(target_rlim, arg2, 1);
2657 case TARGET_NR_getrusage:
2659 struct rusage rusage;
2660 ret = get_errno(getrusage(arg1, &rusage));
2661 if (!is_error(ret)) {
2662 host_to_target_rusage(arg2, &rusage);
2666 case TARGET_NR_gettimeofday:
2669 ret = get_errno(gettimeofday(&tv, NULL));
2670 if (!is_error(ret)) {
2671 host_to_target_timeval(arg1, &tv);
2675 case TARGET_NR_settimeofday:
2678 target_to_host_timeval(&tv, arg1);
2679 ret = get_errno(settimeofday(&tv, NULL));
2682 #ifdef TARGET_NR_select
2683 case TARGET_NR_select:
2685 struct target_sel_arg_struct *sel;
2686 target_ulong inp, outp, exp, tvp;
2689 lock_user_struct(sel, arg1, 1);
2690 nsel = tswapl(sel->n);
2691 inp = tswapl(sel->inp);
2692 outp = tswapl(sel->outp);
2693 exp = tswapl(sel->exp);
2694 tvp = tswapl(sel->tvp);
2695 unlock_user_struct(sel, arg1, 0);
2696 ret = do_select(nsel, inp, outp, exp, tvp);
2700 case TARGET_NR_symlink:
2703 p = lock_user_string(arg1);
2704 p2 = lock_user_string(arg2);
2705 ret = get_errno(symlink(p, p2));
2706 unlock_user(p2, arg2, 0);
2707 unlock_user(p, arg1, 0);
2710 #ifdef TARGET_NR_oldlstat
2711 case TARGET_NR_oldlstat:
2714 case TARGET_NR_readlink:
2717 p = lock_user_string(arg1);
2718 p2 = lock_user(arg2, arg3, 0);
2719 ret = get_errno(readlink(path(p), p2, arg3));
2720 unlock_user(p2, arg2, ret);
2721 unlock_user(p, arg1, 0);
2724 case TARGET_NR_uselib:
2726 case TARGET_NR_swapon:
2727 p = lock_user_string(arg1);
2728 ret = get_errno(swapon(p, arg2));
2729 unlock_user(p, arg1, 0);
2731 case TARGET_NR_reboot:
2733 case TARGET_NR_readdir:
2735 case TARGET_NR_mmap:
2736 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
2739 target_ulong v1, v2, v3, v4, v5, v6;
2740 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2747 unlock_user(v, arg1, 0);
2748 ret = get_errno(target_mmap(v1, v2, v3,
2749 target_to_host_bitmask(v4, mmap_flags_tbl),
2753 ret = get_errno(target_mmap(arg1, arg2, arg3,
2754 target_to_host_bitmask(arg4, mmap_flags_tbl),
2759 #ifdef TARGET_NR_mmap2
2760 case TARGET_NR_mmap2:
2761 #if defined(TARGET_SPARC) || defined(TARGET_MIPS)
2762 #define MMAP_SHIFT 12
2764 #define MMAP_SHIFT TARGET_PAGE_BITS
2766 ret = get_errno(target_mmap(arg1, arg2, arg3,
2767 target_to_host_bitmask(arg4, mmap_flags_tbl),
2769 arg6 << MMAP_SHIFT));
2772 case TARGET_NR_munmap:
2773 ret = get_errno(target_munmap(arg1, arg2));
2775 case TARGET_NR_mprotect:
2776 ret = get_errno(target_mprotect(arg1, arg2, arg3));
2778 case TARGET_NR_mremap:
2779 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2781 /* ??? msync/mlock/munlock are broken for softmmu. */
2782 case TARGET_NR_msync:
2783 ret = get_errno(msync(g2h(arg1), arg2, arg3));
2785 case TARGET_NR_mlock:
2786 ret = get_errno(mlock(g2h(arg1), arg2));
2788 case TARGET_NR_munlock:
2789 ret = get_errno(munlock(g2h(arg1), arg2));
2791 case TARGET_NR_mlockall:
2792 ret = get_errno(mlockall(arg1));
2794 case TARGET_NR_munlockall:
2795 ret = get_errno(munlockall());
2797 case TARGET_NR_truncate:
2798 p = lock_user_string(arg1);
2799 ret = get_errno(truncate(p, arg2));
2800 unlock_user(p, arg1, 0);
2802 case TARGET_NR_ftruncate:
2803 ret = get_errno(ftruncate(arg1, arg2));
2805 case TARGET_NR_fchmod:
2806 ret = get_errno(fchmod(arg1, arg2));
2808 case TARGET_NR_getpriority:
2809 ret = get_errno(getpriority(arg1, arg2));
2811 case TARGET_NR_setpriority:
2812 ret = get_errno(setpriority(arg1, arg2, arg3));
2814 #ifdef TARGET_NR_profil
2815 case TARGET_NR_profil:
2818 case TARGET_NR_statfs:
2819 p = lock_user_string(arg1);
2820 ret = get_errno(statfs(path(p), &stfs));
2821 unlock_user(p, arg1, 0);
2823 if (!is_error(ret)) {
2824 struct target_statfs *target_stfs;
2826 lock_user_struct(target_stfs, arg2, 0);
2827 /* ??? put_user is probably wrong. */
2828 put_user(stfs.f_type, &target_stfs->f_type);
2829 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2830 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2831 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2832 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2833 put_user(stfs.f_files, &target_stfs->f_files);
2834 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2835 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2836 put_user(stfs.f_namelen, &target_stfs->f_namelen);
2837 unlock_user_struct(target_stfs, arg2, 1);
2840 case TARGET_NR_fstatfs:
2841 ret = get_errno(fstatfs(arg1, &stfs));
2842 goto convert_statfs;
2843 #ifdef TARGET_NR_statfs64
2844 case TARGET_NR_statfs64:
2845 p = lock_user_string(arg1);
2846 ret = get_errno(statfs(path(p), &stfs));
2847 unlock_user(p, arg1, 0);
2849 if (!is_error(ret)) {
2850 struct target_statfs64 *target_stfs;
2852 lock_user_struct(target_stfs, arg3, 0);
2853 /* ??? put_user is probably wrong. */
2854 put_user(stfs.f_type, &target_stfs->f_type);
2855 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2856 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2857 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2858 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2859 put_user(stfs.f_files, &target_stfs->f_files);
2860 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2861 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2862 put_user(stfs.f_namelen, &target_stfs->f_namelen);
2863 unlock_user_struct(target_stfs, arg3, 0);
2866 case TARGET_NR_fstatfs64:
2867 ret = get_errno(fstatfs(arg1, &stfs));
2868 goto convert_statfs64;
2870 #ifdef TARGET_NR_ioperm
2871 case TARGET_NR_ioperm:
2874 case TARGET_NR_socketcall:
2875 ret = do_socketcall(arg1, arg2);
2878 #ifdef TARGET_NR_accept
2879 case TARGET_NR_accept:
2880 ret = do_accept(arg1, arg2, arg3);
2883 #ifdef TARGET_NR_bind
2884 case TARGET_NR_bind:
2885 ret = do_bind(arg1, arg2, arg3);
2888 #ifdef TARGET_NR_connect
2889 case TARGET_NR_connect:
2890 ret = do_connect(arg1, arg2, arg3);
2893 #ifdef TARGET_NR_getpeername
2894 case TARGET_NR_getpeername:
2895 ret = do_getpeername(arg1, arg2, arg3);
2898 #ifdef TARGET_NR_getsockname
2899 case TARGET_NR_getsockname:
2900 ret = do_getsockname(arg1, arg2, arg3);
2903 #ifdef TARGET_NR_getsockopt
2904 case TARGET_NR_getsockopt:
2905 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2908 #ifdef TARGET_NR_listen
2909 case TARGET_NR_listen:
2910 ret = get_errno(listen(arg1, arg2));
2913 #ifdef TARGET_NR_recv
2914 case TARGET_NR_recv:
2915 ret = do_recvfrom(arg1, arg1, arg3, arg4, 0, 0);
2918 #ifdef TARGET_NR_recvfrom
2919 case TARGET_NR_recvfrom:
2920 ret = do_recvfrom(arg1, arg1, arg3, arg4, arg5, arg6);
2923 #ifdef TARGET_NR_recvmsg
2924 case TARGET_NR_recvmsg:
2925 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
2928 #ifdef TARGET_NR_send
2929 case TARGET_NR_send:
2930 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
2933 #ifdef TARGET_NR_sendmsg
2934 case TARGET_NR_sendmsg:
2935 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
2938 #ifdef TARGET_NR_sendto
2939 case TARGET_NR_sendto:
2940 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
2943 #ifdef TARGET_NR_shutdown
2944 case TARGET_NR_shutdown:
2945 ret = get_errno(shutdown(arg1, arg2));
2948 #ifdef TARGET_NR_socket
2949 case TARGET_NR_socket:
2950 ret = do_socket(arg1, arg2, arg3);
2953 #ifdef TARGET_NR_socketpair
2954 case TARGET_NR_socketpair:
2955 ret = do_socketpair(arg1, arg2, arg3, arg4);
2958 #ifdef TARGET_NR_setsockopt
2959 case TARGET_NR_setsockopt:
2960 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
2964 case TARGET_NR_syslog:
2965 p = lock_user_string(arg2);
2966 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
2967 unlock_user(p, arg2, 0);
2970 case TARGET_NR_setitimer:
2972 struct itimerval value, ovalue, *pvalue;
2976 target_to_host_timeval(&pvalue->it_interval,
2978 target_to_host_timeval(&pvalue->it_value,
2979 arg2 + sizeof(struct target_timeval));
2983 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
2984 if (!is_error(ret) && arg3) {
2985 host_to_target_timeval(arg3,
2986 &ovalue.it_interval);
2987 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
2992 case TARGET_NR_getitimer:
2994 struct itimerval value;
2996 ret = get_errno(getitimer(arg1, &value));
2997 if (!is_error(ret) && arg2) {
2998 host_to_target_timeval(arg2,
2999 &value.it_interval);
3000 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
3005 case TARGET_NR_stat:
3006 p = lock_user_string(arg1);
3007 ret = get_errno(stat(path(p), &st));
3008 unlock_user(p, arg1, 0);
3010 case TARGET_NR_lstat:
3011 p = lock_user_string(arg1);
3012 ret = get_errno(lstat(path(p), &st));
3013 unlock_user(p, arg1, 0);
3015 case TARGET_NR_fstat:
3017 ret = get_errno(fstat(arg1, &st));
3019 if (!is_error(ret)) {
3020 struct target_stat *target_st;
3022 lock_user_struct(target_st, arg2, 0);
3023 target_st->st_dev = tswap16(st.st_dev);
3024 target_st->st_ino = tswapl(st.st_ino);
3025 #if defined(TARGET_PPC) || defined(TARGET_MIPS)
3026 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3027 target_st->st_uid = tswap32(st.st_uid);
3028 target_st->st_gid = tswap32(st.st_gid);
3030 target_st->st_mode = tswap16(st.st_mode);
3031 target_st->st_uid = tswap16(st.st_uid);
3032 target_st->st_gid = tswap16(st.st_gid);
3034 target_st->st_nlink = tswap16(st.st_nlink);
3035 target_st->st_rdev = tswap16(st.st_rdev);
3036 target_st->st_size = tswapl(st.st_size);
3037 target_st->st_blksize = tswapl(st.st_blksize);
3038 target_st->st_blocks = tswapl(st.st_blocks);
3039 target_st->target_st_atime = tswapl(st.st_atime);
3040 target_st->target_st_mtime = tswapl(st.st_mtime);
3041 target_st->target_st_ctime = tswapl(st.st_ctime);
3042 unlock_user_struct(target_st, arg2, 1);
3046 #ifdef TARGET_NR_olduname
3047 case TARGET_NR_olduname:
3050 #ifdef TARGET_NR_iopl
3051 case TARGET_NR_iopl:
3054 case TARGET_NR_vhangup:
3055 ret = get_errno(vhangup());
3057 #ifdef TARGET_NR_idle
3058 case TARGET_NR_idle:
3061 #ifdef TARGET_NR_syscall
3062 case TARGET_NR_syscall:
3063 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3066 case TARGET_NR_wait4:
3069 target_long status_ptr = arg2;
3070 struct rusage rusage, *rusage_ptr;
3071 target_ulong target_rusage = arg4;
3073 rusage_ptr = &rusage;
3076 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3077 if (!is_error(ret)) {
3079 tputl(status_ptr, status);
3080 if (target_rusage) {
3081 host_to_target_rusage(target_rusage, &rusage);
3086 case TARGET_NR_swapoff:
3087 p = lock_user_string(arg1);
3088 ret = get_errno(swapoff(p));
3089 unlock_user(p, arg1, 0);
3091 case TARGET_NR_sysinfo:
3093 struct target_sysinfo *target_value;
3094 struct sysinfo value;
3095 ret = get_errno(sysinfo(&value));
3096 if (!is_error(ret) && arg1)
3098 /* ??? __put_user is probably wrong. */
3099 lock_user_struct(target_value, arg1, 0);
3100 __put_user(value.uptime, &target_value->uptime);
3101 __put_user(value.loads[0], &target_value->loads[0]);
3102 __put_user(value.loads[1], &target_value->loads[1]);
3103 __put_user(value.loads[2], &target_value->loads[2]);
3104 __put_user(value.totalram, &target_value->totalram);
3105 __put_user(value.freeram, &target_value->freeram);
3106 __put_user(value.sharedram, &target_value->sharedram);
3107 __put_user(value.bufferram, &target_value->bufferram);
3108 __put_user(value.totalswap, &target_value->totalswap);
3109 __put_user(value.freeswap, &target_value->freeswap);
3110 __put_user(value.procs, &target_value->procs);
3111 __put_user(value.totalhigh, &target_value->totalhigh);
3112 __put_user(value.freehigh, &target_value->freehigh);
3113 __put_user(value.mem_unit, &target_value->mem_unit);
3114 unlock_user_struct(target_value, arg1, 1);
3119 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3121 case TARGET_NR_fsync:
3122 ret = get_errno(fsync(arg1));
3124 case TARGET_NR_clone:
3125 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3127 #ifdef __NR_exit_group
3128 /* new thread calls */
3129 case TARGET_NR_exit_group:
3130 gdb_exit(cpu_env, arg1);
3131 ret = get_errno(exit_group(arg1));
3134 case TARGET_NR_setdomainname:
3135 p = lock_user_string(arg1);
3136 ret = get_errno(setdomainname(p, arg2));
3137 unlock_user(p, arg1, 0);
3139 case TARGET_NR_uname:
3140 /* no need to transcode because we use the linux syscall */
3142 struct new_utsname * buf;
3144 lock_user_struct(buf, arg1, 0);
3145 ret = get_errno(sys_uname(buf));
3146 if (!is_error(ret)) {
3147 /* Overrite the native machine name with whatever is being
3149 strcpy (buf->machine, UNAME_MACHINE);
3150 /* Allow the user to override the reported release. */
3151 if (qemu_uname_release && *qemu_uname_release)
3152 strcpy (buf->release, qemu_uname_release);
3154 unlock_user_struct(buf, arg1, 1);
3158 case TARGET_NR_modify_ldt:
3159 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
3161 case TARGET_NR_vm86old:
3163 case TARGET_NR_vm86:
3164 ret = do_vm86(cpu_env, arg1, arg2);
3167 case TARGET_NR_adjtimex:
3169 case TARGET_NR_create_module:
3170 case TARGET_NR_init_module:
3171 case TARGET_NR_delete_module:
3172 case TARGET_NR_get_kernel_syms:
3174 case TARGET_NR_quotactl:
3176 case TARGET_NR_getpgid:
3177 ret = get_errno(getpgid(arg1));
3179 case TARGET_NR_fchdir:
3180 ret = get_errno(fchdir(arg1));
3182 case TARGET_NR_bdflush:
3184 case TARGET_NR_sysfs:
3186 case TARGET_NR_personality:
3187 ret = get_errno(personality(arg1));
3189 case TARGET_NR_afs_syscall:
3191 case TARGET_NR__llseek:
3193 #if defined (__x86_64__)
3194 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
3198 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
3203 case TARGET_NR_getdents:
3204 #if TARGET_LONG_SIZE != 4
3206 #warning not supported
3207 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3209 struct target_dirent *target_dirp;
3210 struct dirent *dirp;
3213 dirp = malloc(count);
3217 ret = get_errno(sys_getdents(arg1, dirp, count));
3218 if (!is_error(ret)) {
3220 struct target_dirent *tde;
3222 int reclen, treclen;
3223 int count1, tnamelen;
3227 target_dirp = lock_user(arg2, count, 0);
3230 reclen = de->d_reclen;
3231 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3232 tde->d_reclen = tswap16(treclen);
3233 tde->d_ino = tswapl(de->d_ino);
3234 tde->d_off = tswapl(de->d_off);
3235 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3238 /* XXX: may not be correct */
3239 strncpy(tde->d_name, de->d_name, tnamelen);
3240 de = (struct dirent *)((char *)de + reclen);
3242 tde = (struct dirent *)((char *)tde + treclen);
3247 unlock_user(target_dirp, arg2, ret);
3252 struct dirent *dirp;
3255 dirp = lock_user(arg2, count, 0);
3256 ret = get_errno(sys_getdents(arg1, dirp, count));
3257 if (!is_error(ret)) {
3263 reclen = de->d_reclen;
3266 de->d_reclen = tswap16(reclen);
3267 tswapls(&de->d_ino);
3268 tswapls(&de->d_off);
3269 de = (struct dirent *)((char *)de + reclen);
3273 unlock_user(dirp, arg2, ret);
3277 #ifdef TARGET_NR_getdents64
3278 case TARGET_NR_getdents64:
3280 struct dirent64 *dirp;
3282 dirp = lock_user(arg2, count, 0);
3283 ret = get_errno(sys_getdents64(arg1, dirp, count));
3284 if (!is_error(ret)) {
3285 struct dirent64 *de;
3290 reclen = de->d_reclen;
3293 de->d_reclen = tswap16(reclen);
3294 tswap64s(&de->d_ino);
3295 tswap64s(&de->d_off);
3296 de = (struct dirent64 *)((char *)de + reclen);
3300 unlock_user(dirp, arg2, ret);
3303 #endif /* TARGET_NR_getdents64 */
3304 case TARGET_NR__newselect:
3305 ret = do_select(arg1, arg2, arg3, arg4, arg5);
3307 case TARGET_NR_poll:
3309 struct target_pollfd *target_pfd;
3310 unsigned int nfds = arg2;
3315 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
3316 pfd = alloca(sizeof(struct pollfd) * nfds);
3317 for(i = 0; i < nfds; i++) {
3318 pfd[i].fd = tswap32(target_pfd[i].fd);
3319 pfd[i].events = tswap16(target_pfd[i].events);
3321 ret = get_errno(poll(pfd, nfds, timeout));
3322 if (!is_error(ret)) {
3323 for(i = 0; i < nfds; i++) {
3324 target_pfd[i].revents = tswap16(pfd[i].revents);
3326 ret += nfds * (sizeof(struct target_pollfd)
3327 - sizeof(struct pollfd));
3329 unlock_user(target_pfd, arg1, ret);
3332 case TARGET_NR_flock:
3333 /* NOTE: the flock constant seems to be the same for every
3335 ret = get_errno(flock(arg1, arg2));
3337 case TARGET_NR_readv:
3342 vec = alloca(count * sizeof(struct iovec));
3343 lock_iovec(vec, arg2, count, 0);
3344 ret = get_errno(readv(arg1, vec, count));
3345 unlock_iovec(vec, arg2, count, 1);
3348 case TARGET_NR_writev:
3353 vec = alloca(count * sizeof(struct iovec));
3354 lock_iovec(vec, arg2, count, 1);
3355 ret = get_errno(writev(arg1, vec, count));
3356 unlock_iovec(vec, arg2, count, 0);
3359 case TARGET_NR_getsid:
3360 ret = get_errno(getsid(arg1));
3362 case TARGET_NR_fdatasync:
3363 ret = get_errno(fdatasync(arg1));
3365 case TARGET_NR__sysctl:
3366 /* We don't implement this, but ENODIR is always a safe
3369 case TARGET_NR_sched_setparam:
3371 struct sched_param *target_schp;
3372 struct sched_param schp;
3374 lock_user_struct(target_schp, arg2, 1);
3375 schp.sched_priority = tswap32(target_schp->sched_priority);
3376 unlock_user_struct(target_schp, arg2, 0);
3377 ret = get_errno(sched_setparam(arg1, &schp));
3380 case TARGET_NR_sched_getparam:
3382 struct sched_param *target_schp;
3383 struct sched_param schp;
3384 ret = get_errno(sched_getparam(arg1, &schp));
3385 if (!is_error(ret)) {
3386 lock_user_struct(target_schp, arg2, 0);
3387 target_schp->sched_priority = tswap32(schp.sched_priority);
3388 unlock_user_struct(target_schp, arg2, 1);
3392 case TARGET_NR_sched_setscheduler:
3394 struct sched_param *target_schp;
3395 struct sched_param schp;
3396 lock_user_struct(target_schp, arg3, 1);
3397 schp.sched_priority = tswap32(target_schp->sched_priority);
3398 unlock_user_struct(target_schp, arg3, 0);
3399 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3402 case TARGET_NR_sched_getscheduler:
3403 ret = get_errno(sched_getscheduler(arg1));
3405 case TARGET_NR_sched_yield:
3406 ret = get_errno(sched_yield());
3408 case TARGET_NR_sched_get_priority_max:
3409 ret = get_errno(sched_get_priority_max(arg1));
3411 case TARGET_NR_sched_get_priority_min:
3412 ret = get_errno(sched_get_priority_min(arg1));
3414 case TARGET_NR_sched_rr_get_interval:
3417 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3418 if (!is_error(ret)) {
3419 host_to_target_timespec(arg2, &ts);
3423 case TARGET_NR_nanosleep:
3425 struct timespec req, rem;
3426 target_to_host_timespec(&req, arg1);
3427 ret = get_errno(nanosleep(&req, &rem));
3428 if (is_error(ret) && arg2) {
3429 host_to_target_timespec(arg2, &rem);
3433 case TARGET_NR_query_module:
3435 case TARGET_NR_nfsservctl:
3437 case TARGET_NR_prctl:
3440 case PR_GET_PDEATHSIG:
3443 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3444 if (!is_error(ret) && arg2)
3445 tput32(arg2, deathsig);
3449 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
3453 #ifdef TARGET_NR_pread
3454 case TARGET_NR_pread:
3455 page_unprotect_range(arg2, arg3);
3456 p = lock_user(arg2, arg3, 0);
3457 ret = get_errno(pread(arg1, p, arg3, arg4));
3458 unlock_user(p, arg2, ret);
3460 case TARGET_NR_pwrite:
3461 p = lock_user(arg2, arg3, 1);
3462 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3463 unlock_user(p, arg2, 0);
3466 case TARGET_NR_getcwd:
3467 p = lock_user(arg1, arg2, 0);
3468 ret = get_errno(sys_getcwd1(p, arg2));
3469 unlock_user(p, arg1, ret);
3471 case TARGET_NR_capget:
3473 case TARGET_NR_capset:
3475 case TARGET_NR_sigaltstack:
3477 case TARGET_NR_sendfile:
3479 #ifdef TARGET_NR_getpmsg
3480 case TARGET_NR_getpmsg:
3483 #ifdef TARGET_NR_putpmsg
3484 case TARGET_NR_putpmsg:
3487 #ifdef TARGET_NR_vfork
3488 case TARGET_NR_vfork:
3489 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
3492 #ifdef TARGET_NR_ugetrlimit
3493 case TARGET_NR_ugetrlimit:
3496 ret = get_errno(getrlimit(arg1, &rlim));
3497 if (!is_error(ret)) {
3498 struct target_rlimit *target_rlim;
3499 lock_user_struct(target_rlim, arg2, 0);
3500 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3501 target_rlim->rlim_max = tswapl(rlim.rlim_max);
3502 unlock_user_struct(target_rlim, arg2, 1);
3507 #ifdef TARGET_NR_truncate64
3508 case TARGET_NR_truncate64:
3509 p = lock_user_string(arg1);
3510 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3511 unlock_user(p, arg1, 0);
3514 #ifdef TARGET_NR_ftruncate64
3515 case TARGET_NR_ftruncate64:
3516 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
3519 #ifdef TARGET_NR_stat64
3520 case TARGET_NR_stat64:
3521 p = lock_user_string(arg1);
3522 ret = get_errno(stat(path(p), &st));
3523 unlock_user(p, arg1, 0);
3526 #ifdef TARGET_NR_lstat64
3527 case TARGET_NR_lstat64:
3528 p = lock_user_string(arg1);
3529 ret = get_errno(lstat(path(p), &st));
3530 unlock_user(p, arg1, 0);
3533 #ifdef TARGET_NR_fstat64
3534 case TARGET_NR_fstat64:
3536 ret = get_errno(fstat(arg1, &st));
3538 if (!is_error(ret)) {
3540 if (((CPUARMState *)cpu_env)->eabi) {
3541 struct target_eabi_stat64 *target_st;
3542 lock_user_struct(target_st, arg2, 1);
3543 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3544 /* put_user is probably wrong. */
3545 put_user(st.st_dev, &target_st->st_dev);
3546 put_user(st.st_ino, &target_st->st_ino);
3547 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3548 put_user(st.st_ino, &target_st->__st_ino);
3550 put_user(st.st_mode, &target_st->st_mode);
3551 put_user(st.st_nlink, &target_st->st_nlink);
3552 put_user(st.st_uid, &target_st->st_uid);
3553 put_user(st.st_gid, &target_st->st_gid);
3554 put_user(st.st_rdev, &target_st->st_rdev);
3555 /* XXX: better use of kernel struct */
3556 put_user(st.st_size, &target_st->st_size);
3557 put_user(st.st_blksize, &target_st->st_blksize);
3558 put_user(st.st_blocks, &target_st->st_blocks);
3559 put_user(st.st_atime, &target_st->target_st_atime);
3560 put_user(st.st_mtime, &target_st->target_st_mtime);
3561 put_user(st.st_ctime, &target_st->target_st_ctime);
3562 unlock_user_struct(target_st, arg2, 0);
3566 struct target_stat64 *target_st;
3567 lock_user_struct(target_st, arg2, 1);
3568 memset(target_st, 0, sizeof(struct target_stat64));
3569 /* ??? put_user is probably wrong. */
3570 put_user(st.st_dev, &target_st->st_dev);
3571 put_user(st.st_ino, &target_st->st_ino);
3572 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3573 put_user(st.st_ino, &target_st->__st_ino);
3575 put_user(st.st_mode, &target_st->st_mode);
3576 put_user(st.st_nlink, &target_st->st_nlink);
3577 put_user(st.st_uid, &target_st->st_uid);
3578 put_user(st.st_gid, &target_st->st_gid);
3579 put_user(st.st_rdev, &target_st->st_rdev);
3580 /* XXX: better use of kernel struct */
3581 put_user(st.st_size, &target_st->st_size);
3582 put_user(st.st_blksize, &target_st->st_blksize);
3583 put_user(st.st_blocks, &target_st->st_blocks);
3584 put_user(st.st_atime, &target_st->target_st_atime);
3585 put_user(st.st_mtime, &target_st->target_st_mtime);
3586 put_user(st.st_ctime, &target_st->target_st_ctime);
3587 unlock_user_struct(target_st, arg2, 0);
3594 case TARGET_NR_lchown:
3595 p = lock_user_string(arg1);
3596 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3597 unlock_user(p, arg1, 0);
3599 case TARGET_NR_getuid:
3600 ret = get_errno(high2lowuid(getuid()));
3602 case TARGET_NR_getgid:
3603 ret = get_errno(high2lowgid(getgid()));
3605 case TARGET_NR_geteuid:
3606 ret = get_errno(high2lowuid(geteuid()));
3608 case TARGET_NR_getegid:
3609 ret = get_errno(high2lowgid(getegid()));
3611 case TARGET_NR_setreuid:
3612 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3614 case TARGET_NR_setregid:
3615 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3617 case TARGET_NR_getgroups:
3619 int gidsetsize = arg1;
3620 uint16_t *target_grouplist;
3624 grouplist = alloca(gidsetsize * sizeof(gid_t));
3625 ret = get_errno(getgroups(gidsetsize, grouplist));
3626 if (!is_error(ret)) {
3627 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
3628 for(i = 0;i < gidsetsize; i++)
3629 target_grouplist[i] = tswap16(grouplist[i]);
3630 unlock_user(target_grouplist, arg2, gidsetsize * 2);
3634 case TARGET_NR_setgroups:
3636 int gidsetsize = arg1;
3637 uint16_t *target_grouplist;
3641 grouplist = alloca(gidsetsize * sizeof(gid_t));
3642 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
3643 for(i = 0;i < gidsetsize; i++)
3644 grouplist[i] = tswap16(target_grouplist[i]);
3645 unlock_user(target_grouplist, arg2, 0);
3646 ret = get_errno(setgroups(gidsetsize, grouplist));
3649 case TARGET_NR_fchown:
3650 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3652 #ifdef TARGET_NR_setresuid
3653 case TARGET_NR_setresuid:
3654 ret = get_errno(setresuid(low2highuid(arg1),
3656 low2highuid(arg3)));
3659 #ifdef TARGET_NR_getresuid
3660 case TARGET_NR_getresuid:
3662 uid_t ruid, euid, suid;
3663 ret = get_errno(getresuid(&ruid, &euid, &suid));
3664 if (!is_error(ret)) {
3665 tput16(arg1, tswap16(high2lowuid(ruid)));
3666 tput16(arg2, tswap16(high2lowuid(euid)));
3667 tput16(arg3, tswap16(high2lowuid(suid)));
3672 #ifdef TARGET_NR_getresgid
3673 case TARGET_NR_setresgid:
3674 ret = get_errno(setresgid(low2highgid(arg1),
3676 low2highgid(arg3)));
3679 #ifdef TARGET_NR_getresgid
3680 case TARGET_NR_getresgid:
3682 gid_t rgid, egid, sgid;
3683 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3684 if (!is_error(ret)) {
3685 tput16(arg1, tswap16(high2lowgid(rgid)));
3686 tput16(arg2, tswap16(high2lowgid(egid)));
3687 tput16(arg3, tswap16(high2lowgid(sgid)));
3692 case TARGET_NR_chown:
3693 p = lock_user_string(arg1);
3694 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3695 unlock_user(p, arg1, 0);
3697 case TARGET_NR_setuid:
3698 ret = get_errno(setuid(low2highuid(arg1)));
3700 case TARGET_NR_setgid:
3701 ret = get_errno(setgid(low2highgid(arg1)));
3703 case TARGET_NR_setfsuid:
3704 ret = get_errno(setfsuid(arg1));
3706 case TARGET_NR_setfsgid:
3707 ret = get_errno(setfsgid(arg1));
3709 #endif /* USE_UID16 */
3711 #ifdef TARGET_NR_lchown32
3712 case TARGET_NR_lchown32:
3713 p = lock_user_string(arg1);
3714 ret = get_errno(lchown(p, arg2, arg3));
3715 unlock_user(p, arg1, 0);
3718 #ifdef TARGET_NR_getuid32
3719 case TARGET_NR_getuid32:
3720 ret = get_errno(getuid());
3723 #ifdef TARGET_NR_getgid32
3724 case TARGET_NR_getgid32:
3725 ret = get_errno(getgid());
3728 #ifdef TARGET_NR_geteuid32
3729 case TARGET_NR_geteuid32:
3730 ret = get_errno(geteuid());
3733 #ifdef TARGET_NR_getegid32
3734 case TARGET_NR_getegid32:
3735 ret = get_errno(getegid());
3738 #ifdef TARGET_NR_setreuid32
3739 case TARGET_NR_setreuid32:
3740 ret = get_errno(setreuid(arg1, arg2));
3743 #ifdef TARGET_NR_setregid32
3744 case TARGET_NR_setregid32:
3745 ret = get_errno(setregid(arg1, arg2));
3748 #ifdef TARGET_NR_getgroups32
3749 case TARGET_NR_getgroups32:
3751 int gidsetsize = arg1;
3752 uint32_t *target_grouplist;
3756 grouplist = alloca(gidsetsize * sizeof(gid_t));
3757 ret = get_errno(getgroups(gidsetsize, grouplist));
3758 if (!is_error(ret)) {
3759 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
3760 for(i = 0;i < gidsetsize; i++)
3761 target_grouplist[i] = tswap32(grouplist[i]);
3762 unlock_user(target_grouplist, arg2, gidsetsize * 4);
3767 #ifdef TARGET_NR_setgroups32
3768 case TARGET_NR_setgroups32:
3770 int gidsetsize = arg1;
3771 uint32_t *target_grouplist;
3775 grouplist = alloca(gidsetsize * sizeof(gid_t));
3776 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
3777 for(i = 0;i < gidsetsize; i++)
3778 grouplist[i] = tswap32(target_grouplist[i]);
3779 unlock_user(target_grouplist, arg2, 0);
3780 ret = get_errno(setgroups(gidsetsize, grouplist));
3784 #ifdef TARGET_NR_fchown32
3785 case TARGET_NR_fchown32:
3786 ret = get_errno(fchown(arg1, arg2, arg3));
3789 #ifdef TARGET_NR_setresuid32
3790 case TARGET_NR_setresuid32:
3791 ret = get_errno(setresuid(arg1, arg2, arg3));
3794 #ifdef TARGET_NR_getresuid32
3795 case TARGET_NR_getresuid32:
3797 uid_t ruid, euid, suid;
3798 ret = get_errno(getresuid(&ruid, &euid, &suid));
3799 if (!is_error(ret)) {
3800 tput32(arg1, tswap32(ruid));
3801 tput32(arg2, tswap32(euid));
3802 tput32(arg3, tswap32(suid));
3807 #ifdef TARGET_NR_setresgid32
3808 case TARGET_NR_setresgid32:
3809 ret = get_errno(setresgid(arg1, arg2, arg3));
3812 #ifdef TARGET_NR_getresgid32
3813 case TARGET_NR_getresgid32:
3815 gid_t rgid, egid, sgid;
3816 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3817 if (!is_error(ret)) {
3818 tput32(arg1, tswap32(rgid));
3819 tput32(arg2, tswap32(egid));
3820 tput32(arg3, tswap32(sgid));
3825 #ifdef TARGET_NR_chown32
3826 case TARGET_NR_chown32:
3827 p = lock_user_string(arg1);
3828 ret = get_errno(chown(p, arg2, arg3));
3829 unlock_user(p, arg1, 0);
3832 #ifdef TARGET_NR_setuid32
3833 case TARGET_NR_setuid32:
3834 ret = get_errno(setuid(arg1));
3837 #ifdef TARGET_NR_setgid32
3838 case TARGET_NR_setgid32:
3839 ret = get_errno(setgid(arg1));
3842 #ifdef TARGET_NR_setfsuid32
3843 case TARGET_NR_setfsuid32:
3844 ret = get_errno(setfsuid(arg1));
3847 #ifdef TARGET_NR_setfsgid32
3848 case TARGET_NR_setfsgid32:
3849 ret = get_errno(setfsgid(arg1));
3853 case TARGET_NR_pivot_root:
3855 #ifdef TARGET_NR_mincore
3856 case TARGET_NR_mincore:
3859 #ifdef TARGET_NR_madvise
3860 case TARGET_NR_madvise:
3861 /* A straight passthrough may not be safe because qemu sometimes
3862 turns private flie-backed mappings into anonymous mappings.
3863 This will break MADV_DONTNEED.
3864 This is a hint, so ignoring and returning success is ok. */
3868 #if TARGET_LONG_BITS == 32
3869 case TARGET_NR_fcntl64:
3872 struct target_flock64 *target_fl;
3874 struct target_eabi_flock64 *target_efl;
3879 ret = get_errno(fcntl(arg1, arg2, &fl));
3882 if (((CPUARMState *)cpu_env)->eabi) {
3883 lock_user_struct(target_efl, arg3, 0);
3884 target_efl->l_type = tswap16(fl.l_type);
3885 target_efl->l_whence = tswap16(fl.l_whence);
3886 target_efl->l_start = tswap64(fl.l_start);
3887 target_efl->l_len = tswap64(fl.l_len);
3888 target_efl->l_pid = tswapl(fl.l_pid);
3889 unlock_user_struct(target_efl, arg3, 1);
3893 lock_user_struct(target_fl, arg3, 0);
3894 target_fl->l_type = tswap16(fl.l_type);
3895 target_fl->l_whence = tswap16(fl.l_whence);
3896 target_fl->l_start = tswap64(fl.l_start);
3897 target_fl->l_len = tswap64(fl.l_len);
3898 target_fl->l_pid = tswapl(fl.l_pid);
3899 unlock_user_struct(target_fl, arg3, 1);
3907 if (((CPUARMState *)cpu_env)->eabi) {
3908 lock_user_struct(target_efl, arg3, 1);
3909 fl.l_type = tswap16(target_efl->l_type);
3910 fl.l_whence = tswap16(target_efl->l_whence);
3911 fl.l_start = tswap64(target_efl->l_start);
3912 fl.l_len = tswap64(target_efl->l_len);
3913 fl.l_pid = tswapl(target_efl->l_pid);
3914 unlock_user_struct(target_efl, arg3, 0);
3918 lock_user_struct(target_fl, arg3, 1);
3919 fl.l_type = tswap16(target_fl->l_type);
3920 fl.l_whence = tswap16(target_fl->l_whence);
3921 fl.l_start = tswap64(target_fl->l_start);
3922 fl.l_len = tswap64(target_fl->l_len);
3923 fl.l_pid = tswapl(target_fl->l_pid);
3924 unlock_user_struct(target_fl, arg3, 0);
3926 ret = get_errno(fcntl(arg1, arg2, &fl));
3929 ret = get_errno(do_fcntl(arg1, arg2, arg3));
3935 #ifdef TARGET_NR_cacheflush
3936 case TARGET_NR_cacheflush:
3937 /* self-modifying code is handled automatically, so nothing needed */
3941 #ifdef TARGET_NR_security
3942 case TARGET_NR_security:
3945 #ifdef TARGET_NR_getpagesize
3946 case TARGET_NR_getpagesize:
3947 ret = TARGET_PAGE_SIZE;
3950 case TARGET_NR_gettid:
3951 ret = get_errno(gettid());
3953 case TARGET_NR_readahead:
3955 #ifdef TARGET_NR_setxattr
3956 case TARGET_NR_setxattr:
3957 case TARGET_NR_lsetxattr:
3958 case TARGET_NR_fsetxattr:
3959 case TARGET_NR_getxattr:
3960 case TARGET_NR_lgetxattr:
3961 case TARGET_NR_fgetxattr:
3962 case TARGET_NR_listxattr:
3963 case TARGET_NR_llistxattr:
3964 case TARGET_NR_flistxattr:
3965 case TARGET_NR_removexattr:
3966 case TARGET_NR_lremovexattr:
3967 case TARGET_NR_fremovexattr:
3968 goto unimplemented_nowarn;
3970 #ifdef TARGET_NR_set_thread_area
3971 case TARGET_NR_set_thread_area:
3972 case TARGET_NR_get_thread_area:
3973 goto unimplemented_nowarn;
3975 #ifdef TARGET_NR_getdomainname
3976 case TARGET_NR_getdomainname:
3977 goto unimplemented_nowarn;
3981 gemu_log("qemu: Unsupported syscall: %d\n", num);
3982 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) || defined(TARGET_NR_getdomainname)
3983 unimplemented_nowarn:
3990 gemu_log(" = %ld\n", ret);